Home / 551,881,708.20-827,822,562.30-429,437,701.80

Finding the Fourth Proportional to 551,881,708.20, 827,822,562.30 and 429,437,701.80

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Solution

The fourth proportional to 551,881,708.20, 827,822,562.30 and 429,437,701.80 is: 644,156,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,881,708.20 : 827,822,562.30 = 429,437,701.80 : x
  2. Step 2: Convert to fraction form
    551,881,708.20/827,822,562.30 = 429,437,701.80/x
  3. Step 3: Cross multiply
    551,881,708.20x = 827,822,562.30 × 429,437,701.80
  4. Step 4: Simplify right side
    551,881,708.20x = 355,498,218,652,299,328
  5. Step 5: Solve for x
    x = 355,498,218,652,299,328/551,881,708.20
  6. Step 6: Final answer
    x = 644,156,552.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.